Q.

The osmotic pressure exerted by a solution prepared by dissolving 2.0 g of protein of molar mass 60 kg mol-1 in 200 mL of water at 27°C is __________ Pa. (integer value)

(use R = 0.083 L bar mol-1 K-1)

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answer is 415.

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Detailed Solution

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π = iCRT

=1 x 260000 x 0.2 x 0.083 x 300

So, 0.00415 x 105 Pa = 415 Pa

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